Concept explainers
Determine whether each compound is ionic or molecular and draw an appropriate Lewis structure:
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Chapter 5 Solutions
Chemistry In Focus
- Write the Lewis symbols for each of the following ions: (a) As3 (b) I (c) Be2+ (d) O2 (e) Ga3+ (f) Li+ (g) N3arrow_forward1. Which is the formula of the compound formed by barium and phosphorus? a. BaP3b. Ba2P Ba3P2c. Ba3Pd. Ba2P 2. The bond between Br atoms in a Br2 molecule is _______ and is formed by the _________ of two valence electrons. a. covalent ; sharingb. covalent; transferc. ionic ; transferd. ionic ; sharingarrow_forwardWhich of the following represents a non-polar covalent bond? a. H-O b. C-N c. C-C d. Li-F e. S-O Based on electronegativities, which of the following would you expect to be most ionic? a. N2 b. CaF2 c. CO2 d. CH4 e. CF4 Which element is the least electronegative? a. Calcium b. Cesium c. Iron d. Barium e. Potassiumarrow_forward
- 2. Write the Lewis dot (electron dot) symbol for each atom. Use the Lewis dot symbol to predict the charge of the ion formed from atom. Write the Lewis dot structure of the ion. You must write both neutral atom and ion! a. Sr b. N C. I d. P e. Liarrow_forward58. Draw the Lewis diagram/structure. For atoms, predict the change that must occur in each atom to form an ion. Determine the charge of the resulting ion. a. phosphorus b. oxygen c. strontium d. lithium e. ammonia, NH3 f. magnesium hydroxidearrow_forward1. The molecule boron trifluoride, BF3, assumes a trigonal planar geometry with boron as the central atom. Which statement correctly describes the polarity of the B-F bond and the polarity of the molecule? A. The B-F bond is polar; the BF3 molecule is nonpolar. B. The B-F bond is nonpolar; the BF3 molecule is nonpolar. C. The B-F bond is nonpolar; the BF3 molecule is polar. D. The B-F bond is polar; the BF3 molecule is polar. E. The polarity cannot be determined. 2. Which of the following species will exhibit tetrahedral geometry? A. CCI4 B. CO32 - C. 03 D. PCI5 E. SF6 3. If a compound has a polar bonds, then 1. It is polar overall. II. There is an electronegativity difference between the bonded atoms. III. It is ionic. IV. It doesn't have resonance. A. Il only B. II, IV C. I, II, IV D. I, II E. All of the above statements are correct. 4. Predict the geometry and polarity of the CS2 molecule. A. linear, nonpolar B. linear, nonpolar C. tetrahedral, polar D. bent, polar E. bent, nonpolararrow_forward
- For each molecule below, a. Draw the lewis structure, using wedges and dashes to indicate the VSEPR shape as necessary. b. Draw the bond dipole for all polar bonds. c. Determine if the overall molecule is polar or nonpolar. first molecule: H₂ second molecule: CO₂ third molecule: H₂Oarrow_forward4. Which of the following is a covalent molecule ? a. NaCl b. HF c. MgS d. KClarrow_forwardA. Draw the Lewis Dot Structure of the molecule or ion OF2 B. Find the shape of the molecule or ion OF2 C. Draw the Lewis Dot Structure of the molecule or ion CH2F2 D. Find the shape of the molecule or ion CH2F2 E. Draw the Lewis Dot Structure of the molecule or ion PO3^-3 F. Find the shape of the molecule or ion PO3^-3arrow_forward
- Which formulas represent ionic compounds and which represent covalent compounds? a. CO 2 b. H 2SO 4 c. KF d. CH 5Narrow_forwardName each covalent compound. a. SF 6 b. CBr 4 c. N 2O d. P 4O 10arrow_forwardPls help me answer these questions properly. Thanks. 1. Write the general rule for determining whether a chemical formula represents an ionic or a covalent compound. 2. Which of the following formulas describe ionic and/or covalent compounds? a. NaCl b. CO2 c. CaCl2 d. HCl e. CH3Br f. BeCl2 g. NH4NO3 h. Ba(NO3)2arrow_forward
- Chemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage Learning
- Chemistry by OpenStax (2015-05-04)ChemistryISBN:9781938168390Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark BlaserPublisher:OpenStax